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Folate receptor 1

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FOLR1
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesFOLR1, FBP, FOLR, Folate receptor 1, folate receptor 1 (adult), folate receptor alpha, FRalpha, NCFTD
External IDsOMIM: 136430; MGI: 95568; HomoloGene: 7322; GeneCards: FOLR1; OMA:FOLR1 - orthologs
Orthologs
SpeciesHumanMouse
Entrez

2348

14275

Ensembl

ENSG00000110195

ENSMUSG00000001827

UniProt

P15328

P35846

RefSeq (mRNA)

NM_016730
NM_000802
NM_016724
NM_016725
NM_016729

NM_001252552
NM_001252553
NM_001252554
NM_008034

RefSeq (protein)

NP_000793
NP_057936
NP_057937
NP_057941

NP_001239481
NP_001239482
NP_001239483
NP_032060

Location (UCSC)Chr 11: 72.19 – 72.2 MbChr 7: 101.51 – 101.52 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Folate receptor 1 (Folate receptor alpha, FOLR1) is a protein that in humans is encoded by the FOLR1 gene.[5][6]

The protein encoded by this gene is a member of the folate receptor (FOLR) family. Members of this family have a high affinity for folic acid and for several reduced folic acid derivatives, and mediate delivery of 5-methyltetrahydrofolate to the interior of cells.

This gene is composed of 7 exons; exons 1 through 4 encode the 5' UTR and exons 4 through 7 encode the open reading frame. Due to the presence of 2 promoters, multiple transcription start sites, and alternative splicing of exons, several transcript variants are derived from this gene. These variants differ in the lengths of 5' and 3' UTR, but they encode an identical amino acid sequence.[6]

Clinical significance

FRA can be overexpressed by a number of epithelial-derived tumors including ovarian, breast, renal, lung, colorectal, and brain. Hence antibodies to it are used in targeted therapies and diagnostic tests, e.g. farletuzumab in phase III trial for ovarian cancer.

Autoantibodies to the FRA have been linked to neurodevelopmental diseases,[7] particularly cerebral folate deficiency[8] schizophrenia[8] and autism spectrum disorder.[9] Recent studies have shown that these neurodevelopmental disorders can be treated with folinic acid.[9][10]

See also

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000110195 – Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000001827 – Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ Campbell IG, Jones TA, Foulkes WD, Trowsdale J (October 1991). "Folate-binding protein is a marker for ovarian cancer". Cancer Research. 51 (19): 5329–38. PMID 1717147.
  6. ^ a b "Entrez Gene: FOLR1 folate receptor 1 (adult)".
  7. ^ Frye RE, Slattery JC, Quadros EV (August 2017). "Folate metabolism abnormalities in autism: potential biomarkers". Biomarkers in Medicine. 11 (8): 687–699. doi:10.2217/bmm-2017-0109. PMID 28770615.
  8. ^ a b Ramaekers VT, Rothenberg SP, Sequeira JM, Opladen T, Blau N, Quadros EV, Selhub J (May 2005). "Autoantibodies to folate receptors in the cerebral folate deficiency syndrome". The New England Journal of Medicine. 352 (19): 1985–91. doi:10.1056/NEJMoa043160. PMID 15888699.
  9. ^ a b Frye RE, Sequeira JM, Quadros EV, James SJ, Rossignol DA (March 2013). "Cerebral folate receptor autoantibodies in autism spectrum disorder". Molecular Psychiatry. 18 (3): 369–81. doi:10.1038/mp.2011.175. PMC 3578948. PMID 22230883.
  10. ^ Frye RE, Slattery J, Delhey L, Furgerson B, Strickland T, Tippett M, et al. (February 2018). "Folinic acid improves verbal communication in children with autism and language impairment: a randomized double-blind placebo-controlled trial". Molecular Psychiatry. 23 (2): 247–256. doi:10.1038/mp.2016.168. PMC 5794882. PMID 27752075.

Further reading

  • Henderson GB (1990). "Folate-binding proteins". Annual Review of Nutrition. 10: 319–35. doi:10.1146/annurev.nu.10.070190.001535. PMID 2166548.
  • Kelemen LE (July 2006). "The role of folate receptor alpha in cancer development, progression and treatment: cause, consequence or innocent bystander?". International Journal of Cancer. 119 (2): 243–50. doi:10.1002/ijc.21712. PMID 16453285.
  • Ragoussis J, Senger G, Trowsdale J, Campbell IG (October 1992). "Genomic organization of the human folate receptor genes on chromosome 11q13". Genomics. 14 (2): 423–30. doi:10.1016/S0888-7543(05)80236-8. PMID 1330883.
  • Sadasivan E, Cedeno M, Rothenberg SP (May 1992). "Genomic organization of the gene and a related pseudogene for a human folate binding protein". Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression. 1131 (1): 91–4. doi:10.1016/0167-4781(92)90103-7. PMID 1581364.
  • Coney LR, Tomassetti A, Carayannopoulos L, Frasca V, Kamen BA, Colnaghi MI, Zurawski VR (November 1991). "Cloning of a tumor-associated antigen: MOv18 and MOv19 antibodies recognize a folate-binding protein". Cancer Research. 51 (22): 6125–32. PMID 1840502.
  • Lacey SW, Sanders JM, Rothberg KG, Anderson RG, Kamen BA (August 1989). "Complementary DNA for the folate binding protein correctly predicts anchoring to the membrane by glycosyl-phosphatidylinositol". The Journal of Clinical Investigation. 84 (2): 715–20. doi:10.1172/JCI114220. PMC 548937. PMID 2527252.
  • Sadasivan E, Rothenberg SP (April 1989). "The complete amino acid sequence of a human folate binding protein from KB cells determined from the cDNA". The Journal of Biological Chemistry. 264 (10): 5806–11. PMID 2538429.
  • Elwood PC (September 1989). "Molecular cloning and characterization of the human folate-binding protein cDNA from placenta and malignant tissue culture (KB) cells". The Journal of Biological Chemistry. 264 (25): 14893–901. PMID 2768245.
  • Sadasivan E, Rothenberg SP (November 1988). "Molecular cloning of the complementary DNA for a human folate binding protein". Proceedings of the Society for Experimental Biology and Medicine. 189 (2): 240–4. doi:10.3181/00379727-189-42804. PMID 3194438.
  • Luhrs CA, Pitiranggon P, da Costa M, Rothenberg SP, Slomiany BL, Brink L, et al. (September 1987). "Purified membrane and soluble folate binding proteins from cultured KB cells have similar amino acid compositions and molecular weights but differ in fatty acid acylation". Proceedings of the National Academy of Sciences of the United States of America. 84 (18): 6546–9. doi:10.1073/pnas.84.18.6546. PMC 299115. PMID 3476960.
  • Yan W, Ratnam M (November 1995). "Preferred sites of glycosylphosphatidylinositol modification in folate receptors and constraints in the primary structure of the hydrophobic portion of the signal". Biochemistry. 34 (44): 14594–600. doi:10.1021/bi00044a039. PMID 7578066.
  • Saikawa Y, Price K, Hance KW, Chen TY, Elwood PC (August 1995). "Structural and functional analysis of the human KB cell folate receptor gene P4 promoter: cooperation of three clustered Sp1-binding sites with initiator region for basal promoter activity". Biochemistry. 34 (31): 9951–61. doi:10.1021/bi00031a018. PMID 7632694.
  • Prasad PD, Ramamoorthy S, Moe AJ, Smith CH, Leibach FH, Ganapathy V (August 1994). "Selective expression of the high-affinity isoform of the folate receptor (FR-alpha) in the human placental syncytiotrophoblast and choriocarcinoma cells". Biochimica et Biophysica Acta (BBA) - Molecular Cell Research. 1223 (1): 71–5. doi:10.1016/0167-4889(94)90074-4. PMID 8061055.
  • Maruyama K, Sugano S (January 1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides". Gene. 138 (1–2): 171–4. doi:10.1016/0378-1119(94)90802-8. PMID 8125298.
  • Elwood PC, Nachmanoff K, Saikawa Y, Page ST, Pacheco P, Roberts S, Chung KN (February 1997). "The divergent 5' termini of the alpha human folate receptor (hFR) mRNAs originate from two tissue-specific promoters and alternative splicing: characterization of the alpha hFR gene structure". Biochemistry. 36 (6): 1467–78. doi:10.1021/bi962070h. PMID 9063895.
  • Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K, Suyama A, Sugano S (October 1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library". Gene. 200 (1–2): 149–56. doi:10.1016/S0378-1119(97)00411-3. PMID 9373149.
  • Barber RC, Shaw GM, Lammer EJ, Greer KA, Biela TA, Lacey SW, et al. (April 1998). "Lack of association between mutations in the folate receptor-alpha gene and spina bifida". American Journal of Medical Genetics. 76 (4): 310–7. doi:10.1002/(SICI)1096-8628(19980401)76:4<310::AID-AJMG6>3.0.CO;2-T. PMID 9545095.
  • Tomassetti A, Bottero F, Mazzi M, Miotti S, Colnaghi MI, Canevari S (January 1999). "Molecular requirements for attachment of the glycosylphosphatidylinositol anchor to the human alpha folate receptor". Journal of Cellular Biochemistry. 72 (1): 111–8. doi:10.1002/(SICI)1097-4644(19990101)72:1<111::AID-JCB12>3.0.CO;2-1. PMID 10025672.
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